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nalin [4]
2 years ago
14

A pizza has 8 slices and sells for $12. At this rate, how much would 15 slices cost?

Mathematics
2 answers:
Tanya [424]2 years ago
4 0
I believe it’s $22.50
nignag [31]2 years ago
3 0

Answer:

$22.50

Step-by-step explanation:

8 Slices = $12

12/8 = 1.5

$1.50 = One Slice of Pizza

$1.50*15 = $22.50

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Step 1: Combine like terms

x's go with x's (-2x and -3x). To do this add 2x to both sides

(-2x + 2x) - 13 = (-3x + 2x) - 5​

(0) - 13 = (-x) - 5​

- 13 = -x - 5​

normal numbers go with normal numbers ( -13 and -5). To do this add 5 to both sides

(- 13 + 5) = -x + (- 5 +​ 5)

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Step 2: Isolate x by dividing -1 to both sides (this will take the negative sign away from the x)

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